JPS61186058A - 網制御装置 - Google Patents

網制御装置

Info

Publication number
JPS61186058A
JPS61186058A JP2574485A JP2574485A JPS61186058A JP S61186058 A JPS61186058 A JP S61186058A JP 2574485 A JP2574485 A JP 2574485A JP 2574485 A JP2574485 A JP 2574485A JP S61186058 A JPS61186058 A JP S61186058A
Authority
JP
Japan
Prior art keywords
output
circuit
photocoupler
call
telephone line
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP2574485A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0546738B2 (enrdf_load_stackoverflow
Inventor
Sueo Konnai
末男 近内
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
NEC Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NEC Corp filed Critical NEC Corp
Priority to JP2574485A priority Critical patent/JPS61186058A/ja
Publication of JPS61186058A publication Critical patent/JPS61186058A/ja
Publication of JPH0546738B2 publication Critical patent/JPH0546738B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/82—Line monitoring circuits for call progress or status discrimination

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
JP2574485A 1985-02-13 1985-02-13 網制御装置 Granted JPS61186058A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2574485A JPS61186058A (ja) 1985-02-13 1985-02-13 網制御装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2574485A JPS61186058A (ja) 1985-02-13 1985-02-13 網制御装置

Publications (2)

Publication Number Publication Date
JPS61186058A true JPS61186058A (ja) 1986-08-19
JPH0546738B2 JPH0546738B2 (enrdf_load_stackoverflow) 1993-07-14

Family

ID=12174330

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2574485A Granted JPS61186058A (ja) 1985-02-13 1985-02-13 網制御装置

Country Status (1)

Country Link
JP (1) JPS61186058A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPH0546738B2 (enrdf_load_stackoverflow) 1993-07-14

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